/* ============================================================
   ETFP / BIOSCO — css/style.css
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Poppins:wght@600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --navy:       #0A2540;
  --green:      #00A651;
  --green-dark: #008C45;
  --blue:       #2E75B6;
  --gray:       #5A6A7A;
  --bg-light:   #F2F4F7;
  --white:      #FFFFFF;
  --orange:     #E8A83E;
  --border:     #E5E7EB;

  --font-heading: 'Poppins', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius:  12px;
  --shadow:  0 2px 12px rgba(10,37,64,.08);
  --shadow-lg: 0 8px 32px rgba(10,37,64,.14);
  --transition: .25s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; max-width: 100%; overflow-x: hidden; }
body { font-family: var(--font-body); color: var(--gray); background: var(--white); line-height: 1.6; max-width: 100%; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* --- Typography --- */
h1, h2, h3 { font-family: var(--font-heading); color: var(--navy); line-height: 1.2; }
h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin-bottom: .75rem; }
p:last-child { margin-bottom: 0; }

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .75rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .75rem;
}

/* --- Layout --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 60px 0; }
.section-alt { background: var(--bg-light); }
.section-navy { background: var(--navy); }
.section-navy h1,
.section-navy h2,
.section-navy h3 { color: var(--white); }
.section-navy p,
.section-navy li { color: rgba(255,255,255,.8); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .875rem;
  letter-spacing: .5px;
  text-transform: uppercase;
  border: 2px solid transparent;
  transition: var(--transition);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: var(--white); }

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline-white:hover { background: var(--white); color: var(--navy); }

.btn-outline-navy {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-navy:hover { background: var(--navy); color: var(--white); }

.btn-sm { padding: 9px 20px; font-size: .8rem; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  height: 85px;
  display: flex;
  align-items: center;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(10,37,64,.12); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo { display: flex; align-items: center; flex-shrink: 0; }
.logo img { height: 65px; width: auto; }
.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--navy);
  letter-spacing: -0.5px;
}
.logo-text span { color: var(--green); }

/* Main Nav */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav > li { position: relative; }
.main-nav > li > a,
.main-nav > li > button.nav-toggle,
.main-nav > li > span.nav-disabled {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 14px;
  font-size: .95rem;
  font-weight: 500;
  color: var(--navy);
  border: none;
  background: none;
  white-space: nowrap;
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}
.main-nav > li > a:hover,
.main-nav > li > button.nav-toggle:hover,
.main-nav > li > a.active { background: var(--bg-light); color: var(--green); text-decoration: none; }
.main-nav > li > a.active { font-weight: 600; }
.nav-disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.btn-disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }

.nav-toggle svg { width: 12px; height: 12px; transition: transform var(--transition); }
.nav-toggle.open svg { transform: rotate(180deg); }

/* Dropdown */
.dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 220px;
  padding: 8px;
  z-index: 100;
}
.dropdown.open { display: block; }
.dropdown a {
  display: block;
  padding: 10px 14px;
  font-size: .85rem;
  color: var(--navy);
  border-radius: 6px;
  transition: var(--transition);
  text-decoration: none;
}
.dropdown a:hover { background: var(--bg-light); color: var(--green); }

/* Lang switcher */
.lang-switcher { display: flex; gap: 6px; flex-shrink: 0; }
.lang-btn {
  padding: 5px 12px;
  font-size: .8rem;
  font-weight: 600;
  border-radius: 4px;
  border: 2px solid var(--navy);
  background: transparent;
  color: var(--navy);
  transition: var(--transition);
}
.lang-btn.active { background: var(--green); color: var(--white); border-color: var(--green); }
.lang-btn:hover:not(.active) { background: var(--navy); color: var(--white); }

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO — Homepage
   ============================================================ */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #1a3a5c; /* fallback */
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: var(--navy);
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(10,37,64,.92) 45%, rgba(10,37,64,.15) 75%, transparent);
  z-index: 1;
}
.hero > .container { width: 100%; }
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 560px;
  padding: 80px 0;
  text-align: left;
}
.hero-content h1 { color: var(--white); margin-bottom: 16px; }
.hero-content p { color: rgba(255,255,255,.85); font-size: 1.05rem; margin-bottom: 32px; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; justify-content: flex-start; }

/* Hero — inner pages */
.hero-inner {
  background: var(--navy);
  padding: 60px 0;
}
.hero-inner h1 { color: var(--white); margin-bottom: 10px; }
.hero-inner p { color: rgba(255,255,255,.75); font-size: 1rem; max-width: 580px; }

/* ============================================================
   PROOF BAR
   ============================================================ */
.proof-bar {
  background: var(--white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  padding: 32px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  z-index: 10;
  margin: -40px auto 0;
  max-width: 1100px;
}
.proof-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
}
.proof-item + .proof-item { border-left: 1px solid var(--border); }
.proof-icon { color: var(--green); flex-shrink: 0; }
.proof-icon svg { width: 36px; height: 36px; }
.proof-item:last-child .proof-icon svg {
  animation: spin-globe 8s linear infinite;
}
@keyframes spin-globe {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.proof-value {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
}
.proof-label { font-size: .8rem; color: var(--gray); margin-top: 4px; }

/* ============================================================
   WHY ETFP — homepage
   ============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.why-args {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 28px;
}
.why-arg {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.why-arg-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0,166,81,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--green);
}
.why-arg-icon svg { width: 20px; height: 20px; }
.why-arg h3 { font-size: .95rem; margin-bottom: 4px; }
.why-arg p { font-size: .85rem; margin: 0; }

.why-photo {
  border-radius: var(--radius);
  overflow: hidden;
  background: #d0d8e0;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8fa0b0;
  font-size: .85rem;
}
.why-photo img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card-img {
  position: relative;
  aspect-ratio: 16/9;
  background: #c8d4de;
  overflow: hidden;
}
.product-card-img img { width: 100%; height: 100%; object-fit: cover; }
.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--orange);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 4px;
}
.product-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-card-body h3 { color: var(--navy); margin-bottom: 12px; font-size: 1rem; }
.product-card-features { margin-bottom: 16px; flex: 1; }
.product-card-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: .82rem;
  color: var(--gray);
  margin-bottom: 6px;
}
.product-card-features li::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23fff' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 10px;
  background-repeat: no-repeat;
  background-position: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.product-card-body .btn { width: 100%; justify-content: center; }

/* ============================================================
   APPLICATION CARDS (photo overlay)
   ============================================================ */
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.app-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}
.app-card-bg {
  position: absolute;
  inset: 0;
  background: var(--navy);
  transition: transform var(--transition);
}
.app-card-bg img { width: 100%; height: 100%; object-fit: cover; opacity: .85; transition: opacity var(--transition); }
.app-card:hover .app-card-bg { transform: scale(1.05); }
.app-card:hover .app-card-bg img { opacity: .75; }
.app-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,37,64,.75) 35%, transparent);
}
.app-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  color: var(--white);
}
.app-card-icon { color: var(--green); margin-bottom: 8px; }
.app-card-icon svg { width: 28px; height: 28px; }
.app-card-content h3 { font-size: .95rem; color: var(--white); margin-bottom: 4px; }
.app-card-content p { font-size: .8rem; color: rgba(255,255,255,.75); margin: 0; }

/* ============================================================
   TRIPLE SECTION (Fabrication | Documentation | Clients)
   ============================================================ */
.triple-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
}
.triple-col { padding: 48px 40px; }
.triple-col-navy { background: var(--navy); }
.triple-col-white { background: var(--white); }

.process-steps { margin-top: 20px; }
.process-step {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 16px;
}
.process-step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.process-step p { color: rgba(255,255,255,.8); font-size: .875rem; margin: 0; }

.doc-list { margin-top: 16px; }
.doc-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.8);
  font-size: .875rem;
  text-decoration: none;
}
.doc-item:hover { color: var(--green); }
.doc-item:last-child { border-bottom: none; }

.clients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.client-logo {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  aspect-ratio: 2/1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  font-weight: 700;
  font-size: .85rem;
  color: var(--navy);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.client-logo:hover {
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
}

.client-logo-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.client-logo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
  border-color: #cbd5e1;
}
.client-logo-card img {
  max-height: 48px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  transition: opacity 0.25s ease;
}
.client-logo-card:hover img {
  opacity: 0.9;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: var(--bg-light);
  padding: 96px 0;
  text-align: center;
  border-top: 1px solid var(--border);
}
.cta-banner .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.cta-banner h2 { color: var(--navy); margin-bottom: 16px; font-size: 2.25rem; }
.cta-banner p { color: var(--gray); margin-bottom: 36px; font-size: 1.05rem; max-width: 520px; }
.cta-banner .label { color: var(--green); font-size: 1rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px; }

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  font-size: .82rem;
}
.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.breadcrumb li { display: flex; align-items: center; gap: 6px; color: var(--gray); }
.breadcrumb li a { color: var(--navy); text-decoration: none; }
.breadcrumb li a:hover { color: var(--green); }
.breadcrumb li + li::before { content: '›'; color: var(--border); }
.breadcrumb li:last-child { color: var(--green); font-weight: 500; }

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline { position: relative; padding-left: 40px; margin-top: 40px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}
.timeline-item { position: relative; margin-bottom: 40px; }
.timeline-dot {
  position: absolute;
  left: -33px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--green);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--green);
}
.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
}
.timeline-item h3 { color: var(--navy); margin-bottom: 6px; font-size: .95rem; }
.timeline-item p { font-size: .875rem; }

/* ============================================================
   ADVANTAGES GRID (8 items)
   ============================================================ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.adv-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: var(--transition);
}
.adv-card:hover { border-color: var(--green); box-shadow: var(--shadow); }
.adv-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0,166,81,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  margin-bottom: 16px;
}
.adv-card-icon svg { width: 24px; height: 24px; }
.adv-card h3 { font-size: .95rem; color: var(--navy); margin-bottom: 8px; }
.adv-card p { font-size: .85rem; margin: 0; }

/* ============================================================
   CERTIF GRID
   ============================================================ */
.certif-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 32px;
}
.certif-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.certif-card h3 { font-size: .95rem; color: var(--green); margin-bottom: 8px; }
.certif-card p { font-size: .82rem; margin: 0; }

/* ============================================================
   SPECS TABLE
   ============================================================ */
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 28px;
  font-size: .875rem;
}
.specs-table th,
.specs-table td {
  padding: 12px 16px;
  border: 1px solid var(--border);
  text-align: left;
}
.specs-table th {
  background: var(--bg-light);
  color: var(--navy);
  font-weight: 600;
  width: 38%;
}
.specs-table tr:hover td { background: rgba(0,166,81,.04); }
.specs-table-wrap { overflow-x: auto; }

/* Comparison table */
.compare-table th { width: auto; }
.compare-table td:first-child { font-weight: 600; color: var(--navy); }

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq-list { margin-top: 40px; max-width: 860px; margin-left: auto; margin-right: auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  text-align: left;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  transition: var(--transition);
  gap: 16px;
}
.faq-question:hover { background: var(--bg-light); }
.faq-question.open { background: var(--navy); color: var(--white); }
.faq-chevron {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--green);
}
.faq-question.open .faq-chevron { transform: rotate(180deg); color: var(--white); }
.faq-answer {
  display: none;
  padding: 0 24px 20px;
  font-size: .9rem;
  line-height: 1.7;
}
.faq-answer.open { display: block; }

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: start;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 6px;
}
.form-group label .req { color: var(--green); }
.form-control {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--navy);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-control:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(0,166,81,.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
textarea.form-control { resize: vertical; min-height: 120px; }
.honeypot { display: none; }
.form-check { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; }
.form-check input { margin-top: 3px; accent-color: var(--green); }

.contact-info h2 { margin-bottom: 20px; }
.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}
.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(0,166,81,.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  flex-shrink: 0;
}
.contact-info-icon svg { width: 18px; height: 18px; }
.contact-info-text h3 { font-size: .9rem; color: var(--navy); margin-bottom: 2px; }
.contact-info-text p { font-size: .85rem; margin: 0; }
.contact-map {
  margin-top: 24px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.contact-map iframe { display: block; width: 100%; height: 200px; border: none; }

/* ============================================================
   DOCUMENTATION CARDS
   ============================================================ */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.doc-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  transition: var(--transition);
}
.doc-card:hover { border-color: var(--green); box-shadow: var(--shadow); transform: translateY(-2px); }
.doc-card-icon {
  width: 44px;
  height: 44px;
  background: rgba(0,166,81,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
}
.doc-card-icon svg { width: 22px; height: 22px; }
.doc-card h3 { font-size: .9rem; color: var(--navy); }
.doc-card p { font-size: .82rem; margin: 0; flex: 1; }
.doc-card .btn { margin-top: auto; }

/* ============================================================
   PROCESS STEPPER (Fabrication page)
   ============================================================ */
.process-stepper { margin-top: 40px; }
.step-item {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  align-items: flex-start;
}
.step-num-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
}
.step-connector {
  width: 2px;
  flex: 1;
  min-height: 40px;
  background: var(--border);
  margin: 6px 0;
}
.step-item:last-child .step-connector { display: none; }
.step-body { padding-top: 10px; }
.step-body h3 { color: var(--navy); margin-bottom: 8px; }
.step-body p { font-size: .9rem; }

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.gallery-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: #c8d4de;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #7a8fa0;
  font-size: .82rem;
  text-align: center;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* ============================================================
   ARTICLE SEO
   ============================================================ */
.article-body {
  max-width: 780px;
  margin: 0 auto;
}
.article-body h2 { margin: 40px 0 16px; }
.article-body p { margin-bottom: 16px; }
.article-body ul li {
  padding-left: 20px;
  position: relative;
  margin-bottom: 8px;
  font-size: .9rem;
}
.article-body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--green);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,.75);
  padding: 28px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 24px;
}
.footer-col h4 {
  font-family: var(--font-body);
  font-size: .85rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 10px;
}
.footer-address { font-size: .88rem; color: rgba(255,255,255,.7); }
.footer-address p { margin-bottom: 3px; }
.footer-address a { color: rgba(255,255,255,.7); }
.footer-address a:hover { color: var(--green); }

.footer-nav { display: flex; flex-direction: column; gap: 7px; }
.footer-nav a {
  font-size: .9rem;
  color: rgba(255,255,255,.7);
  text-decoration: none;
  transition: var(--transition);
}
.footer-nav a:hover { color: var(--green); }

.footer-social { display: flex; gap: 8px; margin-bottom: 14px; }
.social-btn {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: var(--transition);
  text-decoration: none;
}
.social-btn:hover { background: var(--green); border-color: var(--green); color: var(--white); }
.social-btn svg { width: 18px; height: 18px; }

.newsletter-form { display: flex; flex-wrap: wrap; gap: 8px; }
.newsletter-consent {
  flex-basis: 100%;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 2px;
}
.newsletter-consent input[type="checkbox"] { margin-top: 3px; flex-shrink: 0; }
.newsletter-consent label { font-size: .78rem; color: rgba(255,255,255,.7); line-height: 1.4; }
.newsletter-consent label a { color: var(--green); text-decoration: underline; }
.newsletter-input {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 6px;
  background: rgba(255,255,255,.05);
  color: var(--white);
  font-size: .85rem;
  outline: none;
}
.newsletter-input::placeholder { color: rgba(255,255,255,.4); }
.newsletter-input:focus { border-color: var(--green); }
.newsletter-btn {
  padding: 10px 16px;
  background: var(--green);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  font-size: .82rem;
  transition: var(--transition);
  white-space: nowrap;
}
.newsletter-btn:hover { background: var(--green-dark); }

.footer-bottom {
  margin-top: 28px;
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: .8rem;
  color: rgba(255,255,255,.5);
}
.footer-bottom a { color: rgba(255,255,255,.5); text-decoration: none; }
.footer-bottom a:hover { color: var(--green); }
.footer-legal { display: flex; gap: 16px; }

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-content { max-width: 780px; margin: 0 auto; }
.legal-content h2 { font-size: 1.2rem; margin: 32px 0 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.legal-content p, .legal-content li { font-size: .9rem; line-height: 1.7; }
.legal-content li { margin-left: 20px; list-style: disc; margin-bottom: 6px; }

/* ============================================================
   EXPORT PAGE
   ============================================================ */
.export-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.export-step {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  position: relative;
}
.export-step-num {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--border);
  margin-bottom: 12px;
  line-height: 1;
}
.export-step h3 { font-size: .95rem; color: var(--navy); margin-bottom: 8px; }
.export-step p { font-size: .85rem; margin: 0; }

/* ============================================================
   APPLICATIONS PAGE — secteurs
   ============================================================ */
.sectors-list { margin-top: 40px; }
.sector-item {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 40px;
  align-items: center;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.sector-item:nth-child(even) { direction: rtl; }
.sector-item:nth-child(even) > * { direction: ltr; }
.sector-item:last-child { border-bottom: none; }
.sector-img {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  overflow: hidden;
  background: #c8d4de;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  color: #8fa0b0;
}
.sector-img img { width: 100%; height: 100%; object-fit: cover; }
.sector-ref {
  display: inline-block;
  background: rgba(0,166,81,.1);
  color: var(--green);
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  margin-top: 12px;
}

/* ============================================================
   STAT BLOCKS
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.stat-card {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}
.stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
}
.stat-label { font-size: .85rem; color: rgba(255,255,255,.7); }

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* 1280px */
@media (max-width: 1280px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid { grid-template-columns: repeat(2, 1fr); }
  .triple-grid { grid-template-columns: 1fr; }
}

/* 1024px */
@media (max-width: 1024px) {
  .proof-bar { grid-template-columns: repeat(2, 1fr); }
  .proof-item:nth-child(2) { border-left: 1px solid var(--border); }
  .proof-item:nth-child(3) { border-left: none; border-top: 1px solid var(--border); }
  .proof-item:nth-child(4) { border-top: 1px solid var(--border); }
  .why-grid { grid-template-columns: 1fr; }
  .why-photo { max-height: 320px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .certif-grid { grid-template-columns: repeat(2, 1fr); }
  .docs-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .export-steps { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .sector-item { grid-template-columns: 1fr; direction: ltr; }
  .sector-item:nth-child(even) { direction: ltr; }
}

/* 768px */
@media (max-width: 768px) {
  .main-nav { display: none; flex-direction: column; align-items: stretch; }
  .main-nav.open {
    display: flex;
    position: absolute;
    top: 75px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: 16px;
    z-index: 999;
    border-top: 1px solid var(--border);
  }
  .main-nav > li > a,
  .main-nav > li > button.nav-toggle,
  .main-nav > li > span.nav-disabled {
    justify-content: space-between;
    width: 100%;
  }
  .dropdown {
    position: static;
    box-shadow: none;
    border: none;
    border-left: 3px solid var(--green);
    border-radius: 0;
    margin-left: 16px;
  }
  .hamburger { display: flex; }
  .site-header { position: relative; }

  .proof-bar { grid-template-columns: 1fr 1fr; margin: 0 16px; padding: 24px 20px; }
  .products-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr 1fr; }
  .certif-grid { grid-template-columns: 1fr; }
  .docs-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr; }
  .export-steps { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: 440px; }
  .hero-content { padding: 60px 0 80px; }
  .footer-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .why-args { grid-template-columns: 1fr; }
  .clients-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-kpi-section { grid-template-columns: 1fr !important; }
}

/* 480px */
@media (max-width: 480px) {
  .proof-bar { grid-template-columns: 1fr; }
  .proof-item + .proof-item { border-left: none; border-top: 1px solid var(--border); }
  .adv-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .contact-kpi-cards > div { min-width: 0; overflow-wrap: break-word; }
}

/* Placeholder images */
.img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #d0dae4;
  color: #7a8fa0;
  font-size: .8rem;
  text-align: center;
  padding: 16px;
  width: 100%;
  height: 100%;
}

/* Focus visible */
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

/* --- Results grid (index - résultats clients) --- */
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.result-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--green);
}
.result-icon {
  width: 40px;
  height: 40px;
  color: var(--green);
  margin-bottom: 12px;
}
.result-icon svg { width: 40px; height: 40px; }
.result-stat {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}
.result-card p { font-size: .875rem; margin: 0; }

@media (max-width: 768px) {
  .results-grid { grid-template-columns: 1fr; }
}

/* --- Case studies (references.html) --- */
.case-study {
  margin-bottom: 56px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.case-study-header {
  background: var(--navy);
  padding: 28px 32px;
}
.case-study-tag {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 12px;
}
.case-study-header h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 6px;
}
.case-study-client {
  color: rgba(255,255,255,.65);
  font-size: .85rem;
}
.case-study-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.case-col {
  padding: 28px 28px;
  border-right: 1px solid var(--border);
}
.case-col:last-child { border-right: none; }
.case-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}
.case-label.problem { background: rgba(232,168,62,.15); color: #9a6a00; }
.case-label.solution { background: rgba(0,166,81,.1); color: var(--green-dark); }
.case-label.result { background: rgba(10,37,64,.08); color: var(--navy); }
.case-col p { font-size: .875rem; }
.case-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}
.case-specs span {
  background: var(--navy);
  color: var(--white);
  font-size: .72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 4px;
}
.case-result-items { display: flex; flex-direction: column; gap: 12px; }
.case-result-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .875rem;
}
.case-result-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--green);
  margin-top: 2px;
}

@media (max-width: 900px) {
  .case-study-body { grid-template-columns: 1fr; }
  .case-col { border-right: none; border-bottom: 1px solid var(--border); }
  .case-col:last-child { border-bottom: none; }
}

/* --- Proof tech cards (section preuve technique) --- */
.proof-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.proof-tech-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 3px solid var(--green);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}
.proof-tech-icon {
  width: 44px;
  height: 44px;
  color: var(--green);
  margin-bottom: 16px;
}
.proof-tech-icon svg { width: 44px; height: 44px; }
.proof-tech-card h3 { font-size: 1rem; margin-bottom: 8px; }
.proof-tech-card p { font-size: .875rem; margin: 0; }

@media (max-width: 900px) {
  .proof-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .proof-cards { grid-template-columns: 1fr; }
}

/* --- Form devis technique --- */
.form-devis-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: var(--white);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 16px;
}
.form-devis-note {
  font-size: .8rem;
  color: var(--gray);
  margin-top: 8px;
}
.doc-access-section {
  margin-bottom: 40px;
}
.doc-access-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
  font-weight: 600;
  font-size: .9rem;
}
.doc-access-header.free {
  background: rgba(0,166,81,.1);
  color: var(--green-dark);
  border: 1px solid rgba(0,166,81,.3);
}
.doc-access-header.advanced {
  background: rgba(10,37,64,.08);
  color: var(--navy);
  border: 1px solid rgba(10,37,64,.2);
}
.doc-access-header svg { width: 20px; height: 20px; flex-shrink: 0; }

/* --- Inline attention link (lien contextuel discret, ex. préfabriqué vs maçonné) --- */
@keyframes ial-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 166, 81, 0); }
  50%       { box-shadow: 0 0 0 4px rgba(0, 166, 81, 0.08); }
}

.inline-attention-link {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  color: var(--green);
  font-weight: 600;
  font-size: inherit;
  text-decoration: none;
  white-space: nowrap;
  background: rgba(0, 166, 81, 0.07);
  border-radius: 6px;
  padding: 2px 8px 2px 6px;
  border-bottom: 1px solid rgba(0, 166, 81, 0.25);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
  animation: ial-pulse 4s ease-in-out infinite;
}

.inline-attention-link:hover {
  color: var(--green-dark);
  background: rgba(0, 166, 81, 0.13);
  border-color: var(--green);
  animation: none;
}

/* Arrow nudge on hover via pseudo-element trick on the last char */
.inline-attention-link .ial-arrow {
  display: inline-block;
  transition: transform 0.2s ease;
}
.inline-attention-link:hover .ial-arrow {
  transform: translateX(3px);
}

@media (max-width: 600px) {
  .inline-attention-link {
    font-size: .85rem;
    padding: 2px 7px 2px 5px;
    white-space: normal;
  }
}